A Performance Model for a Thermally Adaptive Application Implemented in Reconfigurable HW

Phillip Jones, phjones@arl.wustl.edu

Abstract

Table of Contents

• 1. Introduction
  • 1.1 Motivation for Adaptive Thermal Management
  • 1.2 Thermal Management Approach
  • 1.3 Performance Model Goal
  • 1.4 Outline
• 2. Related Work
  • 2.1 Measuring Temperature
  • 2.2 Dynamic Thermal Management (DTM)
    • 2.2.1 DTM for Microprocessors
    • 2.2.2 DTM for FPGAs
• 3. Platform Infrastructure Description
  • 3.1 Platform Hardware
  • 3.2 Thermally Adaptive Frequency Control
    • 3.2.1 Overview
    • 3.2.2 Implementation Details
• 4. Application Description
  • 4.1 Image Correlation Application Overview
  • 4.2 Services and Performance Metrics
  • 4.3 Parameters and Factors
    • 4.3.1 System
    • 4.3.2 Workload and Operating Conditions
• 5. Performance Model
  • 5.1 Assumptions
  • 5.2 Avoiding Multicollinearity
  • 5.3 Multiple Linear Regression
    • 5.3.1 Model
    • 5.3.2 Analysis of Variation
• 6. Performance Measurement Experiments
  • 6.1 Experimental Setup
  • 6.2 Results
• 7. Analysis
  • 7.1 Model Parameter Estimation
  • 7.2 Analysis of Variation
  • 7.3 Model Validation
    • 7.3.1 Factor Independence
    • 7.3.2 Validation Against Measured Performance
• Summary
• References
• List of Acronyms